JP5963455B2 - 照射装置及び画像読取装置 - Google Patents

照射装置及び画像読取装置 Download PDF

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Publication number
JP5963455B2
JP5963455B2 JP2012016130A JP2012016130A JP5963455B2 JP 5963455 B2 JP5963455 B2 JP 5963455B2 JP 2012016130 A JP2012016130 A JP 2012016130A JP 2012016130 A JP2012016130 A JP 2012016130A JP 5963455 B2 JP5963455 B2 JP 5963455B2
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JP
Japan
Prior art keywords
light
light guide
reflection
longitudinal direction
diffuse reflection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2012016130A
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English (en)
Japanese (ja)
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JP2013157163A (ja
JP2013157163A5 (enrdf_load_stackoverflow
Inventor
亜紀子 藤内
亜紀子 藤内
俊明 庄司
俊明 庄司
信高 小林
信高 小林
増田　暁雄
暁雄 増田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2012016130A priority Critical patent/JP5963455B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to CN201280068441.4A priority patent/CN104081116B/zh
Priority to US14/371,079 priority patent/US9329333B2/en
Priority to EP12867432.2A priority patent/EP2811221B1/en
Priority to KR1020147018234A priority patent/KR20140104002A/ko
Priority to PCT/JP2012/081258 priority patent/WO2013114720A1/ja
Priority to TW102101583A priority patent/TW201345228A/zh
Publication of JP2013157163A publication Critical patent/JP2013157163A/ja
Publication of JP2013157163A5 publication Critical patent/JP2013157163A5/ja
Application granted granted Critical
Publication of JP5963455B2 publication Critical patent/JP5963455B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
    • H04N1/02825—Using a single or a few point light sources, e.g. a laser diode in combination with at least one reflector which is fixed in relation to the light source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
    • H04N1/02835—Using a single or a few point light sources, e.g. a laser diode in combination with a light guide, e.g. optical fibre, glass plate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement
    • H04N1/0289—Light diffusing elements, e.g. plates or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0085—Means for removing heat created by the light source from the package

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Facsimile Heads (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
JP2012016130A 2012-01-30 2012-01-30 照射装置及び画像読取装置 Active JP5963455B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2012016130A JP5963455B2 (ja) 2012-01-30 2012-01-30 照射装置及び画像読取装置
US14/371,079 US9329333B2 (en) 2012-01-30 2012-12-03 Irradiation device and image-reading device
EP12867432.2A EP2811221B1 (en) 2012-01-30 2012-12-03 Irradiation device and image-reading device
KR1020147018234A KR20140104002A (ko) 2012-01-30 2012-12-03 조사장치 및 화상 판독장치
CN201280068441.4A CN104081116B (zh) 2012-01-30 2012-12-03 照射装置以及图像读取装置
PCT/JP2012/081258 WO2013114720A1 (ja) 2012-01-30 2012-12-03 照射装置および画像読取装置
TW102101583A TW201345228A (zh) 2012-01-30 2013-01-16 照射裝置及影像讀取裝置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012016130A JP5963455B2 (ja) 2012-01-30 2012-01-30 照射装置及び画像読取装置

Publications (3)

Publication Number Publication Date
JP2013157163A JP2013157163A (ja) 2013-08-15
JP2013157163A5 JP2013157163A5 (enrdf_load_stackoverflow) 2015-02-26
JP5963455B2 true JP5963455B2 (ja) 2016-08-03

Family

ID=48904782

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012016130A Active JP5963455B2 (ja) 2012-01-30 2012-01-30 照射装置及び画像読取装置

Country Status (7)

Country Link
US (1) US9329333B2 (enrdf_load_stackoverflow)
EP (1) EP2811221B1 (enrdf_load_stackoverflow)
JP (1) JP5963455B2 (enrdf_load_stackoverflow)
KR (1) KR20140104002A (enrdf_load_stackoverflow)
CN (1) CN104081116B (enrdf_load_stackoverflow)
TW (1) TW201345228A (enrdf_load_stackoverflow)
WO (1) WO2013114720A1 (enrdf_load_stackoverflow)

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WO2016077110A1 (en) * 2014-11-12 2016-05-19 3M Innovative Properties Company Illumination system including lightguide
JP6579863B2 (ja) * 2015-08-27 2019-09-25 キヤノン・コンポーネンツ株式会社 読取装置および透過光源ユニット
JP6350506B2 (ja) * 2015-12-15 2018-07-04 コニカミノルタ株式会社 画像読取装置および画像形成システム
WO2017151299A1 (en) * 2016-03-01 2017-09-08 3M Innovative Properties Company Optical structures with off-state appearance area
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Also Published As

Publication number Publication date
KR20140104002A (ko) 2014-08-27
TW201345228A (zh) 2013-11-01
EP2811221A1 (en) 2014-12-10
JP2013157163A (ja) 2013-08-15
US9329333B2 (en) 2016-05-03
WO2013114720A1 (ja) 2013-08-08
CN104081116A (zh) 2014-10-01
EP2811221A4 (en) 2016-01-13
US20140355078A1 (en) 2014-12-04
CN104081116B (zh) 2017-09-05
EP2811221B1 (en) 2018-01-24

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